Automatic Acquisition of Basic Katakana Lexicon from a Given Corpus Toshiaki Nakazawa author Daisuke Kawahara author Sadao Kurohashi author 2005 text Second International Joint Conference on Natural Language Processing: Full Papers conference publication nakazawa-etal-2005-automatic 10.1007/11562214_60 https://aclanthology.org/I05-1060/ 2005